同序山麻杆 tong xu shan ma gan

Shrubs, 2-3 m tall, monoecious. Branchlets gray tomentulose. Stipules subulate, ca. 2 mm; petiole 2.5-13 cm; leaf blade ovate or broadly ovate to elliptic, 10-15 × 6-12 cm, papery, abaxially pilose along veins, base obtuse to subtruncate, with 4 glands, stipels subulate, ca. 3 mm, margins remotely serrulate, apex acuminate to caudate-acuminate; basal veins 3. Inflorescences terminal, branched, bisexual; peduncle tomentulose; bracts lanceolate, ca. 3 mm. Male flowers 5-7 per bract; pedicel ca. 1 mm; sepals 3, ovate, ca. 1.5 mm; stamens 5 or 6. Female flowers: pedicel ca. 0.5 mm; sepals 5, lanceolate, 2-2.5 mm, pubescent, 1 with basal gland; ovary globose, tomentulose; styles 3, filiform, ca. 8 mm, connate for ca. 1 mm. Fl. Sep-Oct.

Hills, thickets; below 100 m. Hainan (Wanning) [N Vietnam].